The issue is similar to what was fixed in commit e7eb632c for ARM:
the "configure" script errors out because it is unable to set
LINUX_SRCARCH.  Fix is to add MIPS to the list.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>